Difference between revisions of "Chenopodium polyspermum"
Sp. Pl. 1: 220. 1753.
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|place=1: 220. 1753 | |place=1: 220. 1753 | ||
|year=1753 | |year=1753 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution=Europe;n Asia. | + | |distribution=N.B.;Ont.;Que.;Sask.;Maine;Mass.;Mich.;N.J.;N.Y.;Oreg.;Pa.;Wis.;Europe;n Asia. |
|discussion=<p>Varieties 2 (2 in the flora).</p> | |discussion=<p>Varieties 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Chenopodiaceae | |family=Chenopodiaceae | ||
| − | |distribution=Europe;n Asia. | + | |distribution=N.B.;Ont.;Que.;Sask.;Maine;Mass.;Mich.;N.J.;N.Y.;Oreg.;Pa.;Wis.;Europe;n Asia. |
| − | |||
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Weedy;Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_531.xml |
|genus=Chenopodium | |genus=Chenopodium | ||
|subgenus=Chenopodium subg. Chenopodium | |subgenus=Chenopodium subg. Chenopodium | ||
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| − | -->[[Category:Treatment]][[Category:Chenopodium subsect. Polysperma]] | + | --> |
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| + | [[Category:Treatment]] | ||
| + | [[Category:Chenopodium subsect. Polysperma]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:02, 6 November 2020
Stems erect or decumbent, branched, 1.5–5(–10) dm, glabrous. Leaves nonaromatic; petiole to 1.7 cm; blade ovate to elliptic or oblong, 1.5–4(–8) × 0.4–2.5 cm, base rounded to cuneate, apex obtuse to rounded or acute, glabrous. Inflorescences lateral cymes, sometimes terminal and axillary spikelike panicles; bracts absent or leaflike and gradually reduced in size distally. Flowers: perianth segments 5, distinct nearly to base, lobes elliptic to oblong, 0.7–1 × 0.5–0.8 mm, apex obtuse or rounded, not keeled, glabrous, not covering fruit at maturity; stamen 1; stigmas 2, 0.1 mm. Utricles depressed-ovoid; pericarp nonadherent, smooth. Seeds 0.8–1.3 mm diam.; seed coat brown-black, dull. 2n = 18.
Distribution
N.B., Ont., Que., Sask., Maine, Mass., Mich., N.J., N.Y., Oreg., Pa., Wis., Europe, n Asia.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Plants spreading to suberect; inflorescences lax, cymose, axillary; leaf blade apices usually obtuse, green or yellowish green. | Chenopodium polyspermum var. polyspermum |
| 1 | Plants upright; inflorescences condensed, spiciform, terminal and axillary; leaf blade apices usually acute, becoming red at maturity | Chenopodium polyspermum var. acutifolium |